1997 SUBARU LEGACY Service Repair Manual

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Page 257 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M1226A
(2) Loosen clamp which connects air intake duct to air
intake chamber.
(3) Remove the two clips from air cleaner upper cover.
CAUTION:
Before installing air cleaner upper cover, align hole(s)

Page 258 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M1233A
B2M1234A
11) Turn crankshaft pulley clockwise until arrow mark on
camshaft sprocket is set to position shown in figure.
12) Measure #1 cylinder intake valve and #3 cylinder
exhaust valve clea

Page 259 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M1228A
B: ADJUSTMENT
1. 2200 cc MODEL
CAUTION:
Adjustment of valve clearance should be performed
while engine is cold.
1) Set #1 cylinder piston to top dead center of compres-
sion stroke by rotatin

Page 260 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M1230A
6) Similar to adjustment procedures used for #1 cylinder,
adjust #2, #3 and #4 cylinder valve clearances.
NOTE:
Be sure to set cylinder pistons to their respective top
dead centers on compre

Page 261 of 3342

SUBARU LEGACY 1997 Service Repair Manual 6) Select a shim of suitable thickness using measured
valve clearance and shim thickness, using the following
table.
Unit: mm
Intake valve:S=(V+T)�0.20
Exhaust valve:S=(V+T)�0.25
S: Shim thickness to

Page 262 of 3342

SUBARU LEGACY 1997 Service Repair Manual B2M1233A
B2M1234A
10) Turn crankshaft pulley clockwise until arrow mark on
camshaft sprocket is set to position shown in figure.
11) Ensure that #1 cylinder intake valve and #3 cylinder
exhaust valve

Page 263 of 3342

SUBARU LEGACY 1997 Service Repair Manual 1. Engine
A: SPECIFICATIONS
EngineModel2200 cc
TypeHorizontally opposed, liquid cooled, 4-cylinder, 4-stroke
gasoline engine
Valve arrangement Belt driven, single over-head camshaft, 4-valve/cylinder

Page 264 of 3342

SUBARU LEGACY 1997 Service Repair Manual B: SERVICE DATA
Belt
tension
adjusterProtrusion of adjuster rod 15.4—16.4 mm (0.606—0.646 in)
Belt ten-
sionerSpacer O.D. 16 mm (0.63 in)
Tensioner bush I.D. 16.16 mm (0.6362 in)
Clearance between

B: SERVICE DATA
Belt
tension
adjusterProtrusion of adjuster rod 15.4—16.4 mm (0.606—0.646 in)
Belt ten-
sionerSpacer O.D. 16 mm (0.63 in)
Tensioner bush I.D. 16.16 mm (0.6362 in)
Clearance between spacer and bushSTD 0.117—0.180 mm (0.0046—0.0071 in)
Limit 0.230 mm (0.0091 in)
Side clearance of spacerSTD 0.37—0.54 mm (0.0146—0.0213 in)
Limit 0.8 mm (0.031 in)
Valve
rocker armClearance between shaft and armSTD 0.020—0.054 mm (0.0008—0.0021 in)
Limit 0.10 mm (0.0039 in)
CamshaftBend limit 0.025 mm (0.0010 in)
Thrust clearanceSTD 0.030—0.260 mm (0.0012—0.0102 in)
Limit 0.35 mm (0.0138 in)
Cam lobe heightIntakeSTD 32.244—32.344 mm (1.2694—1.2734 in)
Limit 32.094 mm (1.2635 in)
ExhaustSTD 31.964—32.064 mm (1.2584—1.2624 in)
Limit 31.814 mm (1.2525 in)
Camshaft journal O.D. RHFront
LHRear 31.935—31.950 mm (1.2573—1.2579 in)
Center Center 37.435—37.450 mm (1.4738—1.4744 in)
Rear Front 37.935—37.950 mm (1.4935—1.4941 in)
Camshaft journal hole
I.D.RHFront
LHRear 32.005—32.025 mm (1.2600—1.2608 in)
Center Center 37.505—37.525 mm (1.4766—1.4774 in)
Rear Front 38.005—38.025 mm (1.4963—1.4970 in)
Oil clearanceSTD 0.055—0.090 mm (0.0022—0.0035 in)
Limit 0.10 mm (0.0039 in)
Cylinder
headSurface warpage limit 0.05 mm (0.0020 in)
Surface grinding limit 0.1 mm (0.004 in)
Standard height 98.3 mm (3.870 in)
Valve setRefacing angle 90°
Contacting widthIntakeSTD 0.7 mm (0.028 in)
Limit 1.4 mm (0.055 in)
ExhaustSTD 1.4 mm (0.055 in)
Limit 1.8 mm (0.071 in)
Valve
guideInner diameter 6.000—6.012 mm (0.2362—0.2367 in)
Protrusion above head 17.5—18.0 mm (0.689—0.709 in)
ValveHead edge thicknessIntakeSTD 1.0 mm (0.039 in)
Limit 0.8 mm (0.031 in)
ExhaustSTD 1.2 mm (0.047 in)
Limit 0.8 mm (0.031 in)
Stem diameterIntake 5.950—5.965 mm (0.2343—0.2348 in)
Exhaust 5.945—5.960 mm (0.2341—0.2346 in)
Stem oil clearanceSTDIntake 0.035—0.062 mm (0.0014—0.0024 in)
Exhaust 0.040—0.067 mm (0.0016—0.0026 in)
Limit—0.15 mm (0.0059 in)
Overall lengthIntake 101.0 mm (3.976 in)
Exhaust 101.2 mm (3.984 in)
STD: Standard I.D.: Inner Diameter O.D.: Outer Diameter
3
2-3SPECIFICATIONS AND SERVICE DATA
1. Engine

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